31021302004100 has 18 divisors (see below), whose sum is σ = 67316225349114. Its totient is φ = 12408520801600.

The previous prime is 31021302004057. The next prime is 31021302004117. The reversal of 31021302004100 is 140020312013.

It can be written as a sum of positive squares in 3 ways, for example, as 3631486677316 + 27389815326784 = 1905646^2 + 5233528^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155106509921 + ... + 155106510120.

It is an arithmetic number, because the mean of its divisors is an integer number (3739790297173).

Almost surely, 2^{31021302004100} is an apocalyptic number.

It is an amenable number.

31021302004100 is an abundant number, since it is smaller than the sum of its proper divisors (36294923345014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31021302004100 is a wasteful number, since it uses less digits than its factorization.

31021302004100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310213020055 (or 310213020048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31021302004100 its reverse (140020312013), we get a palindrome (31161322316113).

The spelling of 31021302004100 in words is "thirty-one trillion, twenty-one billion, three hundred two million, four thousand, one hundred".